Sterilization device for purified water production

Abstract

The utility model discloses a sterilization device for purified water production, which comprises a sand filter, an activated carbon filter and a PP (polypropylene) cotton filter which are sequentially connected, an ozone sterilization box is connected behind the PP cotton filter, and a plurality of ozone discharge pipes are uniformly arranged at the water inlet end of the ozone sterilization box. A plurality of groups of stirring shafts are mounted up and down behind the ozone discharge pipe through bearings, a driving assembly is connected with the stirring shafts, stirring assemblies are arranged on the stirring shafts, spiral guide vanes are arranged in the ozone sterilization box behind the stirring assemblies, and a spiral stirring cavity is formed between the spiral guide vanes and the inner wall of the ozone sterilization box; an ultraviolet sterilization box is arranged behind the ozone sterilization box, a plurality of groups of ultraviolet sterilization lamps are uniformly arranged on the inner wall of the ultraviolet sterilization box, and guide plates are obliquely arranged in the ultraviolet sterilization box in sequence, so that the sterilization effect in the purified water production process can be improved, and double sterilization is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of pure water production, and more specifically, to a sterilization device for pure water production. Background Art

[0002] In the process of pure water production, the sterilization device is a key component, because it can ensure that harmful microorganisms are removed during the water treatment process to ensure the hygiene and safety of the final product. Common pure water sterilization methods include ozone sterilization and ultraviolet sterilization. Among them, ultraviolet radiation can destroy the DNA or RNA structure of bacteria, viruses and other microorganisms, making them lose the ability to reproduce and survive;

[0003] However, simply using ultraviolet rays or ozone sterilization methods for sterilization has poor sterilization adequacy and a large limitation on the sterilization range, which affects the sterilization effect;

[0004] In addition, the existing ozone sterilization and ultraviolet sterilization devices for pure water production mainly inject ozone into the linear flowing water, or directly pass the water from the surface of the ultraviolet lamp. The contact time between the water and the ozone and ultraviolet rays is short, resulting in poor sterilization effect of pure water. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the problems existing in the prior art, the utility model provides a sterilization device for pure water production to solve the technical problem mentioned in the background technology that the sterilization device for pure water production in the prior art has poor sterilization efficiency for pure water, thus affecting the sterilization effect.

[0007] (II) Technical solution

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A sterilization device for pure water production, comprising a sand filter, an activated carbon filter and a PP cotton filter connected in sequence, an ozone sterilization box connected to the rear of the PP cotton filter, a plurality of ozone discharge pipes evenly arranged at the water inlet end of the ozone sterilization box, a plurality of groups of stirring shafts installed up and down through bearings at the rear of the ozone discharge pipe, a driving assembly connected to the stirring shaft, a stirring assembly arranged on the stirring shaft, a spiral guide blade arranged in the ozone sterilization box behind the stirring assembly, a spiral stirring cavity formed between the spiral guide blade and the inner wall of the ozone sterilization box, an ultraviolet sterilization box arranged at the rear of the ozone sterilization box, a plurality of groups of ultraviolet sterilization lamps evenly arranged on the inner wall of the ultraviolet sterilization box, and guide plates inclined in sequence are arranged in the ultraviolet sterilization box.

[0010] The utility model is further configured such that the driving assembly comprises a stirring motor, the output end of the stirring motor is drivingly connected to one of the stirring shafts, and a synchronous belt structure is provided between two adjacent groups of the stirring shafts to realize the rotational drive of the stirring shafts.

[0011] The utility model is further configured such that the stirring component includes a first spiral blade arranged on a stirring shaft, and a second spiral blade is arranged on the outer side of the first spiral blade in the opposite direction. The configuration of the first spiral blade and the second spiral blade can improve the stirring between ozone and water flow and improve the contact uniformity between ozone and pure water.

[0012] The utility model is further configured that a stirring column is provided on the stirring shaft, and the first spiral blade and the second spiral blade are partially fixed on the stirring column, so as to further improve the contact uniformity between the water flow and the ozone.

[0013] The utility model is further configured that each of the ozone exhaust pipes is provided with a plurality of ozone exhaust holes, and an ozone supply pipe is provided between the plurality of ozone exhaust pipes, and an ozone generator is connected to the outer end of the ozone supply pipe to realize ozone supply in the ozone exhaust pipe.

[0014] The utility model is further configured that the bottom end of the side wall of the ultraviolet disinfection box is provided with a drain pipe in cooperation with the guide plate, so as to facilitate the discharge of the pure water after the sterilization and disinfection.

[0015] The utility model is further configured that the bottom end of the interior of the ultraviolet disinfection box is provided with a diversion slope in cooperation with the drainage pipe to improve the discharge effect.

[0016] The utility model is further configured such that a plurality of guide plates are staggeredly arranged on each guide plate, so as to further improve the guiding effect of the pure water in the ultraviolet sterilization box and improve the sterilization adequacy of the water flow.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a sterilization device for pure water production, which has the following beneficial effects:

[0019] 1. The utility model comprises a sand filter, an activated carbon filter and a PP cotton filter which are connected in sequence. An ozone sterilization box is connected to the rear of the PP cotton filter. In this way, the water flow can be filtered in sequence through the sand filter, the activated carbon filter and the PP cotton filter before the pure water is sterilized, thereby improving the cleanliness in the pure water production process and improving the sterilization effect of the pure water in the later stage.

[0020] 2. The utility model is connected with an ozone sterilization box behind the PP cotton filter, and is connected with an ultraviolet sterilization box behind the ozone sterilization box. In this way, the purified water can be sterilized by the cooperation of ozone and ultraviolet rays, thereby improving the sterilization effect in the purified water production process.

[0021] 3. The utility model is provided with a plurality of ozone exhaust pipes evenly at the water inlet end of the ozone sterilization box, wherein each ozone exhaust pipe is provided with a plurality of ozone exhaust holes, and an ozone supply pipe is provided between the plurality of ozone exhaust pipes, and the outer end of the ozone supply pipe is connected with an ozone generator, so that when the pure water is sterilized and disinfected by the ozone sterilization box, the filtered water flow will enter the interior of the ozone sterilization box, and simultaneously, the ozone generated by the ozone generator can be transported to the ozone exhaust pipe through the ozone supply pipe, and discharged outwardly through the ozone exhaust holes on the ozone exhaust pipe, and evenly contacted with the water flow entering the interior of the ozone sterilization box.

[0022] 4. The utility model has a plurality of tumbling shafts installed up and down through bearings at the rear of the ozone exhaust pipe, and a driving assembly is connected to the tumbling shafts, and a tumbling assembly is arranged on the tumbling shafts, wherein the driving assembly includes a tumbling motor, and the output end of the tumbling motor is transmission-connected to one of the tumbling shafts, and a synchronous belt structure is arranged between two adjacent tumbling shafts, the tumbling assembly includes a first spiral blade arranged on the tumbling shaft, a second spiral blade is arranged in the opposite direction on the outer side of the first spiral blade, and a tumbling column is arranged on the tumbling shaft, and the first spiral blade and the second spiral blade are partially fixed on the tumbling column. The water flow entering the ozone sterilization box will carry the contacted ozone to the position of the tumbling assembly, and the tumbling motor will be started. The rotation of the tumbling shaft can be controlled by the cooperation of the tumbling motor and the synchronous belt structure, and the rotation of the first spiral blade, the second spiral blade and the tumbling column can be driven by the rotation of the tumbling shaft, thereby realizing the mixing and stirring between the water flow and the ozone, improving the contact uniformity and sufficiency between the ozone and the water flow, and improving the sterilization and disinfection effect of the ozone on the pure water.

[0023] 5. The utility model is provided with a spiral guide blade in the ozone sterilization box behind the stirring component, and a spiral stirring chamber is formed between the spiral guide blade and the inner wall of the ozone sterilization box. The water flow preliminarily mixed by the stirring component will carry ozone into the spiral stirring chamber. Due to the spiral shape of the spiral stirring chamber, the water flow will be automatically stirred during the transportation inside the spiral stirring chamber, thereby further improving the contact sufficiency and uniformity between ozone and water flow, and further improving the sterilization and disinfection effect of ozone on pure water.

[0024] 6. The utility model is provided with an ultraviolet sterilization box behind the ozone sterilization box, and multiple groups of ultraviolet sterilization lamps are evenly arranged on the inner wall of the ultraviolet sterilization box, and guide plates are arranged in the ultraviolet sterilization box in sequence and tilted, so that the water flow after ozone sterilization will enter the ultraviolet sterilization box and flow in sequence inside the ultraviolet sterilization box under the action of the guide plates, thereby realizing ultraviolet sterilization of the water flow through the irradiation of the ultraviolet sterilization lamp, and improving the sterilization effect of pure water in the production process;

[0025] Among them, the setting of the guide plate can slow down the flow rate of water in the ultraviolet sterilization box, and improve the sterilization efficiency of the ultraviolet sterilization lamp on pure water;

[0026] Ultraviolet rays have a decomposition effect on ozone, thereby decomposing the ozone remaining in the pure water and improving the production effect of pure water. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the overall structure of a sterilization device for pure water production in the utility model;

[0028] Figure 2 This is a schematic cross-sectional view of the internal structure of the ozone sterilization box in the utility model;

[0029] Figure 3 It is a schematic diagram of the connection structure between the stirring shaft and the stirring structure in the utility model;

[0030] Figure 4 This is a schematic cross-sectional view of the internal structure of the ultraviolet sterilization box of the utility model;

[0031] Figure 5 It is a schematic diagram of the connection structure between the ozone generator, the ozone supply pipe and the ozone exhaust pipe in the utility model.

[0032] In the figure: 1. sand filter; 2. activated carbon filter; 3. PP cotton filter; 4. ozone sterilization box; 5. ozone exhaust pipe; 6. stirring shaft; 7. stirring assembly; 8. spiral guide blade; 9. spiral stirring chamber; 10. ultraviolet sterilization box; 11. ultraviolet sterilization lamp; 12. guide plate; 13. stirring motor; 14. synchronous belt structure; 15. first spiral blade; 16. second spiral blade; 17. stirring column; 18. ozone exhaust hole; 19. ozone supply pipe; 20. ozone generator; 21. drain pipe; 22. diversion slope. DETAILED DESCRIPTION

[0033] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0035] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0036] See also Figure 1-5 A sterilization device for pure water production includes a sand filter 1, an activated carbon filter 2 and a PP cotton filter 3 which are connected in sequence. An ozone sterilization box 4 is connected to the rear of the PP cotton filter 3. In this way, the water flow can be filtered in sequence by the sand filter 1, the activated carbon filter 2 and the PP cotton filter 3 before the pure water is sterilized, thereby improving the cleanliness of the pure water production process and improving the sterilization effect of the pure water in the later stage.

[0037] The utility model is connected to an ozone sterilization box 4 behind the PP cotton filter 3, and is connected to an ultraviolet sterilization box 10 behind the ozone sterilization box 4, so that the purified water can be sterilized by the combination of ozone and ultraviolet rays, thereby improving the sterilization effect in the purified water production process;

[0038] The utility model is provided with a plurality of ozone discharge pipes 5 evenly at the water inlet end of the ozone sterilization box 4, wherein each ozone discharge pipe 5 is provided with a plurality of ozone discharge holes 18, and an ozone supply pipe 19 is provided between the plurality of ozone discharge pipes 5, and the outer end of the ozone supply pipe 19 is connected with an ozone generator 20, so that when the pure water is sterilized and disinfected by the ozone sterilization box 4, the filtered water flow will enter the inside of the ozone sterilization box 4, and synchronously, the ozone generated by the ozone generator 20 can be transported to the ozone discharge pipe 5 through the ozone supply pipe 19, and discharged outwardly through the ozone discharge holes 18 on the ozone discharge pipe 5, and uniformly contacted with the water flow entering the inside of the ozone sterilization box 4;

[0039] The utility model has multiple groups of stirring shafts 6 installed up and down through bearings at the rear of the ozone discharge pipe 5, and a driving assembly is connected to the stirring shaft 6, and a stirring assembly 7 is arranged on the stirring shaft 6, wherein the driving assembly includes a stirring motor 13, and the output end of the stirring motor 13 is transmission-connected with one of the stirring shafts 6, and a synchronous belt structure 14 is arranged between two adjacent groups of stirring shafts 6, and the stirring assembly 7 includes a first spiral blade 15 arranged on the stirring shaft 6, and a second spiral blade 16 is arranged on the outer side of the first spiral blade 15 in the opposite direction, and a stirring column 17 is arranged on the stirring shaft 6, and the first spiral blade 15 is arranged on the outer side of the second spiral blade 16, and the stirring shaft 6 is provided with a stirring column 17, and the first spiral blade 15 is arranged on the outer side of the second spiral blade 16, and the stirring column 17 is arranged on the stirring shaft 6. The blade 15 and the second spiral blade 16 are partially fixed on the stirring column 17. The water flow entering the ozone sterilization box 4 will carry the contacted ozone to the stirring component 7, and the stirring motor 13 will be started. The rotation of the stirring shaft 6 can be controlled by the cooperation of the stirring motor 13 and the synchronous belt structure 14. The rotation of the stirring shaft 6 can drive the rotation of the first spiral blade 15, the second spiral blade 16 and the stirring column 17, so as to achieve the mixing and stirring between the water flow and the ozone, improve the contact uniformity and sufficiency between the ozone and the water flow, and improve the sterilization and disinfection effect of the ozone on the pure water;

[0040] The utility model is provided with a spiral guide blade 8 in the ozone sterilizing box 4 behind the stirring component 7, and a spiral stirring chamber 9 is formed between the spiral guide blade 8 and the inner wall of the ozone sterilizing box 4. The water flow preliminarily mixed by the stirring component 7 will carry ozone into the spiral stirring chamber 9. Due to the spiral shape of the spiral stirring chamber 9, the water flow will be automatically stirred during the transportation process inside the spiral stirring chamber 9, thereby further improving the contact sufficiency and uniformity between ozone and water flow, and further improving the sterilization and disinfection effect of ozone on pure water;

[0041] The utility model is provided with an ultraviolet sterilization box 10 behind the ozone sterilization box 4, and multiple groups of ultraviolet sterilization lamps 11 are evenly arranged on the inner wall of the ultraviolet sterilization box 10, and guide plates 12 are arranged in sequence in an inclined manner in the ultraviolet sterilization box 10, so that the water flow after ozone sterilization will enter the ultraviolet sterilization to the inside, and flow in sequence in the ultraviolet sterilization box 10 under the action of the guide plate 12, so that the ultraviolet sterilization of the water flow is achieved through the irradiation of the ultraviolet sterilization lamp, and the sterilization effect of pure water in the production process is improved;

[0042] The setting of the guide plate 12 can slow down the flow rate of water in the ultraviolet sterilization box 10, thereby improving the sterilization efficiency of the ultraviolet sterilization lamp on the pure water;

[0043] Ultraviolet rays have a decomposition effect on ozone, thereby decomposing the ozone remaining in the pure water and improving the production effect of pure water.

[0044] See also Figure 1-Figure 5As an implementation of the ultraviolet sterilization box 10 , a drain pipe 21 is provided at the bottom end of the side wall of the ultraviolet sterilization box 10 in cooperation with the guide plate 12 .

[0045] Specifically, the drain pipe 21 is used to discharge the sterilized pure water to the outside.

[0046] See also Figure 1-Figure 5 As an implementation of the ultraviolet sterilization box 10 , a guide slope 22 is provided at the bottom of the ultraviolet sterilization box 10 in cooperation with the drainage pipe 21 .

[0047] Specifically, the drainage smoothness of the drainage pipe 21 can be improved by providing the diversion slope 22 .

[0048] See also Figure 1-Figure 5 As an implementation of the guide plate 12: a plurality of guide plates are staggeredly arranged on each guide plate 12.

[0049] Specifically, the setting of the guide plate can further improve the guiding and diverting effect of the water flow on the guide plate, improve the mixing of the pure water during the transportation process inside the ultraviolet sterilization box 10, and improve the ultraviolet sterilization effect.

[0050] In summary, when the overall equipment is in use:

[0051] The purified water flow can be filtered in sequence by the sand filter 1, the activated carbon filter 2 and the PP cotton filter 3 before sterilization, thereby improving the cleanliness of the purified water production process and improving the sterilization effect of the purified water in the later stage;

[0052] The filtered water will enter the ozone sterilization box 4. At the same time, the ozone generated by the ozone generator 20 can be transported to the ozone exhaust pipe 5 through the ozone supply pipe 19, and discharged outward through the ozone exhaust hole 18 on the ozone exhaust pipe 5, and evenly contact the water entering the ozone sterilization box 4.

[0053] After that, it will reach the position of the stirring component 7, and the stirring motor 13 will be started. The stirring motor 13 and the synchronous belt structure 14 can control the rotation of the stirring shaft 6. The rotation of the stirring shaft 6 can drive the rotation of the first spiral blade 15, the second spiral blade 16 and the stirring column 17, so as to achieve the mixing and stirring between the water flow and the ozone, improve the contact uniformity and sufficiency between the ozone and the water flow, and improve the sterilization and disinfection effect of the ozone on the pure water;

[0054] The water flow preliminarily mixed by the stirring assembly 7 will carry ozone into the spiral stirring chamber 9. Due to the spiral shape of the spiral stirring chamber 9, the water flow will be automatically stirred during the transportation process inside the spiral stirring chamber 9, thereby further improving the contact sufficiency and uniformity between the ozone and the water flow, and further improving the sterilization and disinfection effect of ozone on pure water.

[0055] After ozone sterilization, the water will enter the ultraviolet sterilization chamber and flow in the ultraviolet sterilization chamber 10 in sequence under the action of the guide plate 12, thereby achieving ultraviolet sterilization of the water through the irradiation of the ultraviolet sterilization lamp, thereby improving the sterilization effect of pure water in the production process;

[0056] The setting of the guide plate 12 can slow down the flow rate of water in the ultraviolet sterilization box 10, thereby improving the sterilization efficiency of the ultraviolet sterilization lamp on the pure water;

[0057] Finally, the water flow that has been fully sterilized will be discharged to the outside through the drain pipe 21.

[0058] In all the schemes mentioned above, the connection between two parts can be selected according to the actual situation by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which will not be described one by one here. In the above, all fixed connections are preferably considered to be welding. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents;

[0059] In all the schemes mentioned above, those involving the operation of electrical components are controlled by the controller unless otherwise clearly described. Since the devices matched with the controller are commonly used devices, their control principles and line connections are all existing well-known and mature technologies, and their electrical connection relationships and specific circuit structures will not be elaborated here.

Claims

1. A sterilization device for pure water production, comprising a sand filter (1), an activated carbon filter (2) and a PP cotton filter (3) connected in sequence, characterized in that: The rear of the PP cotton filter (3) is connected to an ozone sterilization box (4), and a plurality of ozone discharge pipes (5) are evenly arranged at the water inlet end of the ozone sterilization box (4). A plurality of groups of stirring shafts (6) are installed up and down at the rear of the ozone discharge pipe (5) through bearings, and a driving assembly is arranged in connection with the stirring shaft (6). A stirring assembly (7) is arranged on the stirring shaft (6), and a spiral guide blade (8) is arranged in the ozone sterilization box (4) behind the stirring assembly (7). A spiral stirring cavity (9) is formed between the spiral guide blade (8) and the inner wall of the ozone sterilization box (4). An ultraviolet sterilization box (10) is arranged at the rear of the ozone sterilization box (4), and a plurality of groups of ultraviolet sterilization lamps (11) are evenly arranged on the inner wall of the ultraviolet sterilization box (10), and guide plates (12) are arranged in sequence and tilted in the ultraviolet sterilization box (10).

2. A sterilization device for pure water production according to claim 1, characterized in that: The driving assembly comprises a stirring motor (13), the output end of the stirring motor (13) is drivingly connected to one of the stirring shafts (6), and a synchronous belt structure (14) is provided between two adjacent groups of the stirring shafts (6).

3. A sterilization device for pure water production according to claim 2, characterized in that: The stirring assembly (7) comprises a first spiral blade (15) arranged on the stirring shaft (6), and a second spiral blade (16) is arranged on the outer side of the first spiral blade (15) in the opposite direction.

4. A sterilizing device for pure water production according to claim 3, characterized in that: A stirring column (17) is provided on the stirring shaft (6), and the first spiral blade (15) and the second spiral blade (16) are both partially fixed on the stirring column (17).

5. A sterilization device for pure water production according to claim 1, characterized in that: Each of the ozone exhaust pipes (5) is provided with a plurality of ozone exhaust holes (18), and an ozone supply pipe (19) is provided between the plurality of ozone exhaust pipes (5), and the outer end of the ozone supply pipe (19) is connected to an ozone generator (20).

6. A sterilizing device for producing pure water according to any one of claims 1 to 5, characterized in that: The bottom end of the side wall of the ultraviolet sterilization box (10) is provided with a drainage pipe (21) in cooperation with the guide plate (12).

7. A sterilizing device for producing pure water according to claim 6, characterized in that: The inner bottom end of the ultraviolet sterilization box (10) is provided with a diversion slope (22) in cooperation with the drainage pipe (21).

8. The sterilization device for pure water production according to claim 1, characterized in that: A plurality of guide plates are arranged in an alternating manner on each of the guide plates (12).

Images